package com.dfcw.zjproject.util;
import javax.servlet.http.*; 

public class SessionCounter implements HttpSessionListener { 

	private static int activeSessions = 0;
	
	public void sessionCreated(HttpSessionEvent se) { 
		activeSessions ++;
	}

	public void sessionDestroyed(HttpSessionEvent se) {
		if(activeSessions > 0)
			activeSessions --;
	}

	public static int getActiveSessions() { 
		return activeSessions;
	}
}
